Alice R. Tangerini is an American botanical illustrator. In 1972, Tangerini was hired as a staff illustrator for the Department of Botany at the National Museum of Natural History by American botanist Lyman Bradford Smith. Prior to working at the Smithsonian Institution, she received a Bachelor of Fine Arts from Virginia Commonwealth University. As of March 9, 2017, Tangerini remains the only botanical illustrator ever hired by the Smithsonian.
Aside from illustration, Tangerini also teaches classes on the subject and serves as a manager and curator for the Department of Botany at the National Museum of Natural History. In 2005, she lost sight in her right eye following an unidentified injury, and has diplopia due to a subsequent surgery. She has received the "Distinguished Service Award" from Guild of Natural Science Illustrators and the "Excellence in Scientific Botanical Art" award from the American Society of Botanical Artists. She has also been credited as one of the leading figures in her field by American botanist Warren H. Wagner and the Smithsonian Associates.